6495990842734 has 8 divisors (see below), whose sum is σ = 9951305120928. Its totient is φ = 3178889135760.

The previous prime is 6495990842729. The next prime is 6495990842807. The reversal of 6495990842734 is 4372480995946.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34553142687 + ... + 34553142874.

It is an arithmetic number, because the mean of its divisors is an integer number (1243913140116).

Almost surely, 2^{6495990842734} is an apocalyptic number.

6495990842734 is a deficient number, since it is larger than the sum of its proper divisors (3455314278194).

6495990842734 is a wasteful number, since it uses less digits than its factorization.

6495990842734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69106285610.

The product of its (nonzero) digits is 470292480, while the sum is 70.

The spelling of 6495990842734 in words is "six trillion, four hundred ninety-five billion, nine hundred ninety million, eight hundred forty-two thousand, seven hundred thirty-four".